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Does part ownership in a patent mean the owner was a contributor to the invention?

In reference to the patent: US 1,095,168 A My great-grandfather received royalties in the amount of 5/375 interest from this patent, even though his name appears no where in the documentation. Does ...
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1answer
63 views

Can I claim royalties on this invention that was stolen from my father?

Stihl, a popular manufacturer of power tools, has a very profitable product on the market that I've always believed to be the result of a design my father presented to them. He worked at Stihl at the ...
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79 views

public sector, does government pay royalties to patent holders?

does the government pay royalties to patent holders? Is there a special process or formality for the US government or other governments under its umbrella to pay royalties or compensate a patent ...
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1answer
151 views

What type of patent do I need?

I have several ideas I want to develop prototypes on, get patent then pitch (license) idea to a manufacturer who has the manufacturing capabilities and distribution to bring product to market. My ...
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1answer
248 views

Establishing Base and Rate for Infringement Royalties

I have a question about different scenarios while claiming royalties. Hypothetical situation: US Patent #1 was filed in 2002 and granted in 2007. Its priority dates back to 2000 from a US patent ...